Performance testing device of brushless motor controller

Abstract

A performance testing device of a brushless motor controller comprises a tester, a program controller (5) and the brushless motor controller (41), the tester comprises a positioning seat (3), a driving device, a rotating disc (7) and a driving mechanism, air vents (71) with different hole diameters are distributed in the rotating disc (7), the circle centers of the air vents (71) are distributed on the same arc surface at intervals, and the program controller (5) is connected with the program controller (5). An air jet hole (12) capable of jetting air upwards, a control valve for controlling the opening, closing and flow of the air jet hole (12) and a driving device are arranged right below the positioning seat (3); and the driving mechanism is respectively connected with a program control circuit through lines. The brushless motor detection device has the advantages that whether air intake of the brushless motor is smooth or not can be detected, and automatic detection of the brushless motor can be realized by changing the size of the opening, detecting the condition that the rotating speed of the brushless motor is increased to maintain the air intake and detecting whether the brushless motor can be shut down timely for protection or not when the temperature of the brushless motor rises.

Description

Technical Field

[0001] The utility model relates to the technical field of brushless motor manufacturing, in particular to a performance testing device for a brushless motor controller. Background Art

[0002] There is a Chinese invention patent with the patent number CN201510313435.6 and the name "A circuit and method for detecting operating parameters in a DC permanent magnet brushless motor" which discloses a circuit and method for detecting operating parameters in a DC permanent magnet brushless motor, including an angle and speed detection unit, a motor current detection unit, a temperature detection unit in the motor, a wireless communication unit and a single-chip microcomputer. The output ends of the angle and speed detection unit, the motor current detection unit and the temperature detection unit in the motor are respectively connected to the single-chip microcomputer. The single-chip microcomputer also communicates with the remote terminal through the wireless communication unit. The angle and speed detection unit, the motor current detection unit, the temperature detection unit in the motor, the wireless communication unit and the single-chip microcomputer are integrated on a circuit board, and the circuit board is embedded in the DC permanent magnet brushless motor. The invention collects the motor operating parameters of the motor current, rotation angle, speed and temperature in real time, and transmits the collected motor operating parameters to the remote terminal through the wireless communication module, which is not affected by the changing strong magnetic field in the motor and has good application prospects. However,

[0003] This detection circuit is mainly used for motor parameter collection and detection. It cannot judge whether the motor controller will have startup abnormalities, operation abnormalities, gear switching abnormalities, feedback abnormalities, etc., which will cause protection operations to be activated under set conditions. Therefore, the structure of the motor detection circuit needs to be further improved. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a performance testing device for a brushless motor controller with high automation and capable of detecting whether the brushless motor controller has abnormal startup and operation.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: the performance test device of the brushless motor controller includes a tester for testing the brushless motor, a program controller capable of detecting and displaying the parameters of the brushless motor, and a brushless motor controller, characterized in that: the tester includes a positioning seat for testing the brushless motor, a driving device capable of driving the positioning seat to move up and down, a rotating disk located below the positioning seat, and a driving mechanism capable of driving the rotating disk to rotate, and vents with different apertures are distributed on the disk surface of the rotating disk, and the centers of the vents are distributed on the same arc surface at intervals, and the vents are located at the positioning seat. A jet port capable of ejecting air upward is provided directly below the positioning seat, and the jet port is connected to the air supply part through an air pipe. When testing the performance of the brushless motor, the air port is rotated to directly below the positioning seat by rotating the rotating disk, and then the positioning seat moves downward so that the air inlet of the brushless motor is sealed and fitted with the top surface of the air port, and at the same time, the bottom surface of the air port is aligned with the jet port up and down. The brushless motor controller is electrically connected to the program-controlled circuit in the program controller through the line, and the control valve, drive device and drive mechanism that control the opening and closing of the jet port and the flow rate are respectively connected to the program-controlled circuit through the line.

[0006] As an improvement, the tester can be preferably placed on a frame, the drive device and the drive mechanism are respectively placed on the frame, the program controller is placed on one side of the frame, and the program controller includes a parameter display screen and a data input keyboard.

[0007] As a further improvement, the driving mechanism can be selected to be a driving motor fixed on the frame, the center of the rotating disk is rotatably set on the frame through a rotating shaft, transmission teeth are set on the circumference of the rotating disk, the driving motor is meshed with the transmission teeth through a transmission gear, and the driving motor is connected to the programmable controller through a line.

[0008] Further improvement, the positioning seat includes a positioning seat plate and a positioning seat cover that can hold brushless motors of different specifications, the positioning seat cover is through-through from top to bottom, the positioning seat cover is detachably connected to the positioning seat plate, the bottom opening of the positioning seat cover can be connected to the jet port fixed directly below the frame, the jet port is located at the opening of the frame and is connected to the air pressure tank through an air pipe, and the electromagnetic switch of the jet port is connected to the programmable controller through a circuit.

[0009] As an improvement, the driving device includes a driving cylinder and a sliding plug rod connected to the driving cylinder. The positioning seat plate can be slid up and down on the sliding guide rod. The lower end of the sliding plug rod can contact the upper surface of the positioning seat plate. A reset spring is sleeved on the sliding guide rod, which can automatically slide the positioning seat plate upward and reset it when there is no external force. The solenoid valve of the driving cylinder is connected to the programmable controller through a circuit.

[0010] As a further improvement, a soundproof cover may be preferably provided on the frame, the driving mechanism, the positioning seat and the rotating disk are all arranged in the soundproof cover, and sound-absorbing cotton is arranged on the inner wall of the soundproof cover.

[0011] As a further improvement, the front portion of the soundproof cover may be provided with a double door that can be easily opened and placed for taking in the brushless motor, and a magnetic attraction structure that can close the double door is provided on the inner wall of the double door.

[0012] Compared with the prior art, the advantages of the utility model are: by comparing the set values ​​of the power, current, voltage and other settings of the brushless motor with the actual working values ​​through the program controller, it can also detect whether the air intake of the brushless motor is unobstructed. In addition, the air intake of the brushless motor air inlet can be changed by changing the size of the opening, so as to detect the situation of the brushless motor increasing the speed to maintain the air intake, and whether the brushless motor will be shut down for protection in time when the temperature rises, thereby realizing the automatic detection of the brushless motor; only the brushless motor needs to be inserted into the detection position and the rest of the detection process is automatically carried out in the performance test device, with a high degree of automation and high detection efficiency. The comparison detection and whether the brushless motor is qualified or not can be directly displayed on the program controller, and the result display is intuitive, which is convenient for the staff to make judgments. It is easy to operate and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional diagram of an embodiment of the utility model;

[0014] Figure 2 for Figure 1 A three-dimensional view of the double doors of the soundproof enclosure and the lower part of the frame after opening;

[0015] Figure 3 yes Figure 2 A three-dimensional diagram at another angle after omitting the programmer and the air pump;

[0016] Figure 4 yes Figure 3 A three-dimensional image after removing the soundproof cover;

[0017] Figure 5 yes Figure 4 The stereogram after the middle turntable rotates;

[0018] Figure 6 yes Figure 4 The structural breakdown diagram of

[0019] Figure 7 yes Figure 6 Further structural decomposition diagram of ;

[0020] Figure 8 yes Figure 4 Side projection of

[0021] Fig. 9 yes Figure 8 Side projection view of the positioning seat after the middle driving mechanism drives it to move. DETAILED DESCRIPTION

[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0023] like Figures 1 to 9 As shown, a performance test device for a brushless motor controller includes a tester for testing a brushless motor 4, a program controller 5 capable of detecting and displaying parameters of the brushless motor, and a brushless motor controller 41. The tester includes a positioning seat 3 for testing the brushless motor 4, a driving device capable of driving the positioning seat 3 to move up and down, a rotating disk 7 located below the positioning seat 3, and a driving mechanism capable of driving the rotating disk 7 to rotate. Vents 71 with different apertures are distributed on the surface of the rotating disk 7. The centers of the vents 71 are distributed at intervals on the same arc surface. A jet nozzle capable of spraying upward is provided directly below the positioning seat 3. The air jet 12 is connected to the air supply part through the air pipe 13. When testing the performance of the brushless motor, the vent 71 is rotated to the bottom of the positioning seat 3 by rotating the rotating disk 7, and then the positioning seat 3 moves downward to make the air inlet of the brushless motor 4 and the top surface of the vent 71 sealed together, and at the same time, the bottom surface of the vent 71 is aligned with the air jet 12 up and down. The brushless motor controller 41 is electrically connected to the program-controlled circuit in the program controller 5 through the line 14, and the control valve, the drive device and the drive mechanism that control the opening and closing of the air jet 12 and the flow rate are respectively connected to the program-controlled circuit through the line.

[0024] The tester is placed on the frame 1, the driving device and the driving mechanism are respectively placed on the frame 1, the program controller 5 is placed on one side of the frame 1, and the program controller 5 includes a parameter display screen 51 and a data input keyboard 52. The driving mechanism is a driving motor 8 fixed to the frame 1, the center of the rotating disk 7 is rotatably arranged on the frame 1 through a rotating shaft, and a transmission tooth 72 is arranged on the circumference of the rotating disk 7. The driving motor 8 is meshed with the transmission tooth 72 through a transmission gear 81, and the driving motor 8 is connected to the program controller 5 through a line. The positioning seat 3 includes a positioning seat plate 32 and a positioning seat cover 31 that can hold brushless motors 4 of different specifications. The positioning seat cover 31 is connected from top to bottom and can be detachably connected to the positioning seat plate 32. The bottom opening of the positioning seat cover 31 can be connected to the air jet 12 fixed directly below the frame 1. The air jet 12 is located at the frame opening 11 and is connected to the air pressure tank 10 through the air pipe 13. The electromagnetic switch of the air jet 12 is connected to the program controller 5 through a circuit.

[0025] The driving device comprises a driving cylinder 2 and a sliding plug rod 21 connected to the driving cylinder 2. The positioning seat plate 32 can slide up and down and is arranged on the sliding guide rod 33. The lower end of the sliding plug rod 21 can contact the upper surface of the positioning seat plate 32. A reset spring 34 is sleeved on the sliding guide rod 33, which can automatically slide the positioning seat plate 32 upward and reset it when there is no external force. The solenoid valve of the driving cylinder 2 is connected to the program controller 5 through a line. A soundproof cover 9 is arranged on the frame 1. The driving mechanism 2, the positioning seat 3, and the rotating disk 7 are all arranged in the soundproof cover 9. Sound-absorbing cotton 92 is arranged on the inner wall of the soundproof cover 9. A double door 91 is arranged at the front of the soundproof cover 9, which can conveniently open and take and place the brushless motor 4. A magnetic attraction structure is arranged on the inner wall of the double door 91, which can close the double door 91.

[0026] Working principle: When working, the control circuit board on the brushless motor sends out parameter signals, and the brushless motor controller operates according to the input parameters such as power, current, voltage, ventilation volume, speed, etc. The programmer is also connected to the brushless motor controller to detect the actual working value of the brushless motor controller, and understand the working condition of the brushless motor by comparing the input values.

[0027] The program controller can change the ventilation volume of the brushless motor through the vent. In some settings, the brushless motor increases the ventilation volume by changing the speed and power. In some settings, the brushless motor should start the shutdown protection when the speed is too high and the temperature rises too quickly. The program controller records the actual working status of the brushless motor and compares it with the response requirements of the brushless motor controller in the setting, so as to understand whether the brushless motor controller is qualified. In addition, the program controller can identify whether the brushless motor is ventilated normally and whether there is any blockage through parameter comparison, and eliminate the danger in time.

[0028] The magnetic attraction structure is a combination of a magnet and a metal adsorption component, which is also a conventional technology. The programmable circuit of the programmable controller is also a conventional technology, so it will not be described in detail.

Claims

1. A performance testing device for a brushless motor controller, comprising a tester for testing a brushless motor (4), a program controller (5) capable of detecting and displaying parameters of the brushless motor, and a brushless motor controller (41), characterized in that: The tester comprises a positioning seat (3) for testing a brushless motor (4), a driving device capable of driving the positioning seat (3) to move up and down, a rotating disk (7) located below the positioning seat (3), and a driving mechanism capable of driving the rotating disk (7) to rotate; air vents (71) with different apertures are distributed on the surface of the rotating disk (7); the centers of the air vents (71) are distributed at intervals on the same arc surface; an air jet (12) capable of jetting upward is arranged directly below the positioning seat (3); the air jet (12) is connected to an air supply portion via an air pipe (13); when the brushless motor is tested, When the motor is in operation, the vent (71) is rotated to the position directly below the positioning seat (3) by rotating the rotating disk (7), and then the positioning seat (3) moves downward so that the air inlet of the brushless motor (4) is sealed and attached to the top surface of the vent (71), and at the same time, the bottom surface of the vent (71) and the air jet (12) are aligned vertically together. The brushless motor controller (41) is electrically connected to the programmable circuit in the programmable controller (5) through the line (14), and the control valve, the drive device, and the drive mechanism for controlling the opening and closing of the air jet (12) and the flow rate are respectively connected to the programmable circuit through the line.

2. The performance testing device according to claim 1, characterized in that: The tester is placed on a frame (1), the drive device and the drive mechanism are respectively placed on the frame (1), the program controller (5) is placed on one side of the frame (1), and the program controller (5) includes a parameter display screen (51) and a data input keyboard (52).

3. The performance testing device according to claim 2, characterized in that: The driving mechanism is a driving motor (8) fixed on a frame (1); the center of the rotating disk (7) is rotatably arranged on the frame (1) via a rotating shaft; a transmission tooth (72) is arranged on the circumference of the rotating disk (7); the driving motor (8) is meshed with the transmission tooth (72) via a transmission gear (81); and the driving motor (8) is connected to a program controller (5) via a circuit.

4. The performance testing device according to any one of claims 1 to 3, characterized in that: The positioning seat (3) comprises a positioning seat plate (32) and a positioning seat sleeve (31) capable of placing brushless motors (4) of different specifications. The positioning seat sleeve (31) is connected from top to bottom and is detachably connected to the positioning seat plate (32). The bottom opening of the positioning seat sleeve (31) can be connected to an air jet (12) fixed directly below the frame (1). The air jet (12) is located at the frame opening (11) and is connected to the air pressure tank (10) through an air pipe (13). The electromagnetic switch of the air jet (12) is connected to the program controller (5) through a circuit.

5. The performance testing device according to claim 4, characterized in that: The driving device comprises a driving cylinder (2) and a sliding plug rod (21) connected to the driving cylinder (2); the positioning seat plate (32) is slidably arranged on a sliding guide rod (33) up and down; the lower end of the sliding plug rod (21) can contact the upper surface of the positioning seat plate (32); a return spring (34) is sleeved on the sliding guide rod (33) and can automatically slide the positioning seat plate (32) upward and return to its original position when no external force is applied; the electromagnetic valve of the driving cylinder (2) is connected to a program controller (5) through a circuit.

6. The performance testing device according to claim 2 or 3, characterized in that: A soundproof cover (9) is arranged on the frame (1), the driving mechanism, the positioning seat (3) and the rotating disk (7) are all arranged in the soundproof cover (9), and sound-absorbing cotton (92) is arranged on the inner wall of the soundproof cover (9).

7. The performance testing device according to claim 6, characterized in that: The front part of the soundproof cover (9) is provided with a double door (91) that can be easily opened and used to take in and put out the brushless motor (4), and a magnetic attraction structure that can close the double door (91) is provided on the inner wall of the double door (91).

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